Adds a new wizard spell: Flesh to Stone

*Spell renders one target (chosen from list) immobile and incapable of interaction by encasing them in a breakable statue
*Effect ends after a long while (4 minutes) if the statue remains intact
*Requires robes and has a range of 2 squares, cooldown 60 seconds
*Statue can be animated by Staff of Animation, the spell will still end at the normal time
*Currently can be used on humans, monkeys, and corgis